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aco/lower_to_hw_instr: Lower calls

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34531>
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Natalie Vock 2025-02-17 18:42:49 +01:00 • committed by Marge Bot
parent 3667a7b687
commit 9c8a17e172
1 changed files with 29 additions and 0 deletions
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29
src/amd/compiler/aco_lower_to_hw_instr.cpp
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@ -2956,6 +2956,35 @@ lower_to_hw_instr(Program* program)
} else if (instr->isMIMG() && instr->mimg().strict_wqm) {
lower_image_sample(&ctx, instr);
ctx.instructions.emplace_back(std::move(instr));
} else if (instr->isCall()) {
unsigned extra_param_count = 2;
PhysReg stack_reg = instr->operands[0].physReg();
if (instr->operands[1].constantValue()) {
bld.sop2(aco_opcode::s_add_u32, Definition(stack_reg, s1), Definition(scc, s1),
Operand(stack_reg, s1), instr->operands[1]);
if (program->gfx_level < GFX9) {
/* The callee's VGPR spill buffer resource needs to be based at the
* start of callee scratch.
*/
PhysReg rsrc_dword1 = stack_reg.advance(4);
bld.sop2(aco_opcode::s_addc_u32, Definition(rsrc_dword1, s1), Definition(scc, s1),
Operand(rsrc_dword1, s1), Operand::c32(0), Operand(scc, s1));
}
}
bld.sop1(aco_opcode::s_swappc_b64, Definition(instr->definitions[0].physReg(), s2),
Operand(instr->operands[extra_param_count + 1].physReg(), s2));
if (instr->operands[1].constantValue()) {
bld.sop2(aco_opcode::s_sub_u32, Definition(stack_reg, s1), Definition(scc, s1),
Operand(stack_reg, s1), instr->operands[1]);
if (program->gfx_level < GFX9) {
PhysReg rsrc_dword1 = stack_reg.advance(4);
bld.sop2(aco_opcode::s_subb_u32, Definition(rsrc_dword1, s1), Definition(scc, s1),
Operand(rsrc_dword1, s1), Operand::c32(0), Operand(scc, s1));
}
}
} else {
ctx.instructions.emplace_back(std::move(instr));
}